Case Studies

Lower San Fernando Dam (California, 1971)

The Lower San Fernando Dam (LSFD) was built by the Los Angeles Bureau of Water Works and Supply (predecessor of Los Angeles Department of Water and Power (LADWP)) as part of the terminal storage system for the Los Angeles Aqueduct that included the adjacent Upper San Fernando Dam and several other dams in southern California.
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Machhu Dam II (Gujarat, India, 1979)

On August 10, 1979, monsoon storms poured over Gujarat, India. Monsoon rainstorms were not uncommon in this part of India, but as the storm increased it was clear this was larger than the usual storm. Flow began to increase down the Machhu river, first hitting Machhu Dam I and then turning downstream to Machhu Dam II…
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Malpasset Dam (France, 1959)

Malpasset Dam was a concrete arch dam located on the Riveria in the Cannes District near Fréjus, in Southern France. Exhibiting curvature in both the plan and section directions, the double-curvature arch structure spanned the Reyran River. At the time of completion in 1954, it was reported…
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Mammoth Dam (Utah, 1917)

In 1902 the Price River Irrigation Company proposed to build a dam on Gooseberry Creek about 80 miles SE of Salt Lake City, UT. It would be an earthfill structure with a height of 100 feet. An outlet tunnel through bedrock…
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Maple Grove Dam (Colorado, 1979)

In an effort to increase water storage capacity and provide flood protection to the surrounding communities of Lakewood, Colorado, two inflatable Fabridams were added to the crest of Maple Grove Reservoir and spillway in 1977. Shortly before midnight…
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Marshall Lake Dam (Colorado)

Routine inspections of Marshall Lake Dam in the early 21st century were relatively uneventful. The 75-foot-tall, 2,400-foot-long high hazard earth embankment dam had relatively flat slopes…
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Oroville Dam (California, 2017)

With a height of 770 feet, Oroville Dam is the tallest dam in the United States. Completed in 1968 and located north of Sacramento in the foothills of the Sierra Nevada mountains, this large earthfill embankment dam is owned by the California Department of Water Resources (DWR) and is one of the key features…
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Penn Forest Dam (Pennsylvania, 1994)

Penn Forest Dam was constructed between 1956 and 1958 to be one of the main water supply reservoirs for the city of Bethlehem, Pennsylvania. The dam was originally an earthfill embankment structure, stood 145 feet high, 1,930 feet long, and stored 6.4 billion gallons of water…
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Prospect Dam (Colorado, 1980)

Prospect Reservoir Dam is owned by the Henrylyn Irrigation District (District) and is located in Weld County (County), Colorado approximately 40 miles northeast of Denver.  The District operates and maintains a fifty mile long canal system, 4 reservoirs, and several hundred miles of…
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Quail Creek Dike (Utah, 1989)

Quail Creek Reservoir, located in Washington County Utah, is an approximately 40,000 acre-feet water storage project for irrigation, municipal, and industrial use. Design of the project was completed in 1983 with construction beginning in November of that year. The project consisted of…
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